package cn.smbms.interceptor;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import org.apache.log4j.Logger;
import org.springframework.web.servlet.handler.HandlerInterceptorAdapter;

import cn.smbms.pojo.User;
import cn.smbms.tools.Constants;

public class SysInterceptor extends HandlerInterceptorAdapter {
	private Logger logger = Logger.getLogger(SysInterceptor.class);
	@Override
	public boolean preHandle(HttpServletRequest request,
			HttpServletResponse response, Object handler) throws Exception {
        logger.info("SysInterceptor preHandle ==========================");
        HttpSession session = request.getSession();
        User user = (User)session.getAttribute(Constants.USER_SESSION);
        if(null == user){
            response.sendRedirect(request.getContextPath()+"/401.jsp");
            return false;
        }
        return true;
	}
	
}
